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' GROUND WATER QUALITY PARAMETERS ' SITE GW-N39 FORMATION ALLUVIUM DATE OF COLLECTION 08/09/95 05/22/95 02/10/95 08/23/94 FIELD PARAMETERS Conductivity (UMHOS/CM) 3230 3220 2180 pH 6.5 6.5 6.78 6.7 Water Temperature (DEG C) 14.0 ' LABORATORY PARAMETERS ACIDITY, DISS. (mg/I OF CACO3) 0 ' ALKALINITY, DISS. (mg/I OF CACO3) 437 426 435 425 ALUMINUM, DISS. (mg/I) -0.05 ARSENIC, DISS. (mg/I)' 0.005 0.003 0.005 0.007 BARIUM, DISS. (mg/I)' 0.016 0.017 0.014 0.03 BERYLLIUM, DISS. (mg/I) -0.005 BICARBONATE, DISS. (mg/I) 437 426 435 519 BORON, DISS. (mgA)' 0.26 0.23 0.19 0.27 ' CADMIUM, DISS. (mg/I)• -5 CALCIUM, DISS. (mg/I) 570 632 640 659 CARBONATE, DISS. (mgA) 0 ' CATION/ANION BALANCE (%) -4.5 2.5 0.3 -2.02 CHLORIDE, DISS. (mg/I) 10 11 12 13 COBALT, DISS. (mg/I) 0.09 0.1 0.11 0.09 ' CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 3230 3220 3120 3320 COPPER, DISS. (mg/I)' -0.01 FLUORIDE, DISS. (mg/I) 1.3 1.2 1.1 1.3 HARDNESS AS CACO3 (mg/I) 1950 2130 2090 2254 IRON, DISS. (mg/I) 11.1 15 4.7 8.85 IRON, TOTAL (mg/I) 22.8 26.3 25.4 24.7 LEAD, DISS. (mg/I)' -20 ' LITHIUM, DISS. (mgA) 0.3 0.48 0.26 0.2 MAGNESIUM, DISS. (mgA) 128 134 120 148 MANGANESE, DISS. (mg/I) 1090 12.6 13 11 MANGANESE, TOTAL (mgA) 11.5 12.8 13.9 11.2 MERCURY, DISS. (mg/I)' -0.0002 MOLYBDENUM, DISS. (mg/I)' 0.002 0.002 0.002 NICKEL, DISS. (mg/I)' 0.07 0.04 0.06 ' NITROGEN, AMMONIA, DISS. (mg/I) 2 2.09 1.43 3.1 NITROGEN, NITRATE, DISS. (mgA) 0.06 0.09 0.04 0.03 NITROGEN, NITRITE, DISS. (mgA) 0.06 0.09 0.03 ' PH @ 25 DEG C 6.5 6.5 6.4 6.7 PHOSPHATE AS PO4, DISS. (mgA) 0.03 -0.1 POTASSIUM, DISS. (mgA) 3.3 3.3 2.8 ; ' SELENIUM, DISS. (mgA)' SODIUM, DISS. (mgA) 50.9 53.9 48 68 SODIUM ADSORPTION RATIO 0.5 0.51 0.46 0.63 SULFATE, DISS. (mg/I) 1800 1700 1740 1967 ' SULFIDE, TOTAL (mg/I) -0.02 TOTAL DISSOLVED SOLIDS @ 180 DEG (mg/I) 1.13 1.11 2840 3258 TOTAL DISSOLVED SOLIDS, CALCULATED (mg/I) 2850 2820 3420.9 I TOTAL SUSPENDED SOLIDS (mg/I) 76 VANADIUM, DISS. (mgll) -0.01 I ZINC, DISS. (mgA)" 0.12 0.09 0.08 0.09